Yoon first sitting president to be arrested

Protesters try to block investigators outside Yoon's residence

Yoon said the opposition was "dancing the sword dance of madness"

Yoon's party says he will be excluded from duties before eventually resigning

Yoon says martial law decree born of desperation as party chief says his resignation unavoidable

Foreign ministry advises Taiwanese avoid political associations, rallies, demonstrations

Martial law declaration faced backlash from parliament and Yoon's own party

Declaration calls for trade, environmental, cultural cooperation

Yoon pledged instead to focus on improving the economy and tackling what he called the national emergency of flagging birth rates over the three years he has left in office

Beset by controversies about share price manipulation and a costly gifted handbag, South Korea's first lady has not been seen in public since Dec. 15